49102397 has 2 divisors, whose sum is σ = 49102398. Its totient is φ = 49102396.

The previous prime is 49102387. The next prime is 49102399. The reversal of 49102397 is 79320194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43178041 + 5924356 = 6571^2 + 2434^2 .

It is a cyclic number.

It is not a de Polignac number, because 49102397 - 2⁴ = 49102381 is a prime.

It is a super-2 number, since 2×49102397² = 4822090782291218, which contains 22 as substring.

Together with 49102399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49102399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24551198 + 24551199.

It is an arithmetic number, because the mean of its divisors is an integer number (24551199).

Almost surely, 2^49102397 is an apocalyptic number.

It is an amenable number.

49102397 is a deficient number, since it is larger than the sum of its proper divisors (1).

49102397 is an equidigital number, since it uses as much as digits as its factorization.

49102397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 49102397 is about 7007.3102542987. The cubic root of 49102397 is about 366.1852929208.

The spelling of 49102397 in words is "forty-nine million, one hundred two thousand, three hundred ninety-seven".